HSK 7–9 · noun
心事
something weighing on one's mind; private worries
他今天不说话，好像有心事。
Tā jīntiān bù shuōhuà， hǎoxiàng yǒu xīnshì。
He isn't talking today; he seems to have something on his mind.
今天他表现异常，好像有心事。
Jīntiān tā biǎoxiàn yìcháng， hǎoxiàng yǒu xīn shì。
He is acting unusually today, as if something is on his mind.
他一整天愁眉苦脸，好像有心事。
Tā yì zhěng tiān chóuméi-kǔliǎn， hǎoxiàng yǒu xīnshì。
He wore a worried frown all day, as if something was on his mind.
她喜欢向好朋友倾诉心事。
Tā xǐhuan xiàng hǎo péngyou qīngsù xīnshì。
She likes to confide her worries to good friends.