Translation of "poor ..." into Japanese

She is a poor correspondent.

彼女は筆ぶしょうだ。

Compared with the Chinese, the Japanese are poor linguists.

中国人と比べて、日本人は外国語が不得手である。

He is poor, but he doesn't care about money.

彼は貧乏だが金には無頓着だ。