1) settle down (to one's work, etc.); concentrate (on one's work, study, etc.)
沉下心来
3) His brow darkened.
他沉下脸来。
4) His face darkened with anger.
他气得沉下脸来。
5) His face clouded.
他脸色阴沉下来。
补充资料:小心
小心 小心 人体部位名。《素问·刺禁论》:“七节之旁,中有小心”。历代注家看法不一。马莳谓心包络;吴鹤皋谓命门;张志聪谓膈俞穴。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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