HSK 7-9
辜负
gūfù动
to fail to live up (to expectations); unworthy (of trust); to let down; to betray (hopes)
我不想辜负大家对我的信任。
Wǒ bù xiǎng gū fù dà jiā duì wǒ de xìn rèn.
I do not want to let down everyone's trust in me.
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Appears across levels (7-9) in the HSK 3.0 word list.