翻訳　日本語　英語: 一捻

1 complicate, dilate, elaborate, enlarge, expand, expatiate, exposit, expound, flesh out, lucubrate, rarify, refine, work out.

2 complicate, down, elaborate, fine-tune, polish, rarify, rectify, refine.

3 complicate, elaborate, harden, indurate, rarify, refine, solidify, temper.

4 complicate, elaborate, perplex, rarify, refine.