その顧客の苦情は微妙な問題に関わるものだった。
Sentence Analyzer
English Translation
        The customer's complaint was about a sensitive issue.
    
Furigana
        その顧客 の苦情 は微妙 な問題 に関 わるものだった。
    
Romanji
        Sono kokyaku no kujō wa bimyōna mondai ni kakawaru mono datta.
    
Words
            
                其の
            
            
                (その)
            
        
        
            that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener); the; um...; er...; uh...
        
    
            
                顧客
            
            
                (こきゃく、こかく)
            
        
        
            customer; client; patron
        
    
            
                の
            
            
                (の)
            
        
        
            indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
        
    
            
                苦情
            
            
                (くじょう)
            
        
        
            complaint; troubles; objection; grievance
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                微妙
            
            
                (びみょう)
            
        
        
            delicate; subtle; sensitive; difficult; delicate (situation); complicated; doubtful; questionable; dicey; tricky
        
    
            
                問題
            
            
                (もんだい)
            
        
        
            question (e.g. on a test); problem; problem (e.g. societal, political); question; issue; subject (e.g. of research); case; matter; question (i.e. doubt); public discussion; controversy; trouble; problem; inconvenience; difficulty
        
    
            
                に
            
            
                (に)
            
        
        
            at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although
        
    
            
                関わる
            
            
                (かかわる)
            
        
        
            to be affected; to be influenced; to be concerned with; to have to do with; to stick to (opinions)
        
    
            
                者
            
            
                (もの、もん)
            
        
        
            person
        
    
            
                だ
            
            
                (だ)
            
        
        
            be; is; indicates past or completed action; indicates light imperative
        
    Kanji
Readings: コ、 かえり.みる
                        Meanings: look back, review, examine oneself, turn around
                    Readings: キャク、 カク
                        Meanings: guest, visitor, customer, client
                    Readings: ク、 くる.しい、 -ぐる.しい、 くる.しむ、 くる.しめる、 にが.い、 にが.る
                        Meanings: suffering, trial, worry, hardship, feel bitter, scowl
                    Readings: ジョウ、 セイ、 なさ.け
                        Meanings: feelings, emotion, passion, sympathy, circumstances, facts
                    Readings: ビ、 かす.か
                        Meanings: delicate, minuteness, insignificance
                    Readings: ミョウ、 ビョウ、 たえ
                        Meanings: exquisite, strange, queer, mystery, miracle, excellent, delicate, charming
                    Readings: モン、 と.う、 と.い、 とん
                        Meanings: question, ask, problem
                    Reading: ダイ
                        Meanings: topic, subject
                    Readings: カン、 せき、 -ぜき、 かか.わる、 からくり、 かんぬき
                        Meanings: connection, barrier, gateway, involve, concerning