あいつは海千山千だから、取り引き相手としてはかなり手強いぞ。

Sentence Analyzer

English Translation

All those tricks he's got up his sleeve make him a formidable client.

Furigana

あいつは海千山千(うみせんやません)だから、取(と)り引(ひ)き相手(あいて)としてはかなり手強(てづよ)いぞ。

Romanji

Aitsu wa umisen'yamasen da kara, torihiki aite toshite wa kanari tezuyoi zo.

Words

彼奴 (あいつ、きゃつ、かやつ、あやつ)

he; she; that guy

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

海千山千 (うみせんやません)

sly old dog; old fox

だ (だ)

be; is; indicates past or completed action; indicates light imperative

から (から)

from (e.g. time, place, numerical quantity); since; from (originator); by; because; since; out of (constituent, part); through (e.g. window, vestibule); after; since

取引 (とりひき)

transactions; dealings; business

相手 (あいて)

companion; partner; company; other party; addressee; opponent (sports, etc.)

として (として)

as (i.e. in the role of); for (i.e. from the viewpoint of); apart from... (used to change the topic); even (e.g. "not even a single person"); thinking that...; trying to...

可也 (かなり)

considerably; fairly; quite

手強い (てづよい)

strong; resolute; firm; strict

ぜ (ぜ、ぞ)

(sentence end) adds force; indicates command