nán yǐ qǐ chǐ
to be too embarrassed to mention sth (idiom)
to find it hard to speak about sth
难
nán
difficult (to...)
以
yǐ
abbr. for Israel 以色列[Yi3 se4 lie4]
启
qǐ
variant of 啟|启[qi3]
齿
chǐ
tooth
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