この茶わんはなんとすばらしいのでしょう。

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

rice bowl; tea cup; teacup

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

what; how; whatever

wonderful; splendid; magnificent

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

death