虚

徒拥虚名

tú yōng xū míng

to possess an undeserved reputation (idiom)

避实就虚

bì shí jiù xū

(idiom) stay clear of the enemy's main force and strike at his weak points

避实击虚

bì shí jī xū

see 避實就虛|避实就虚[bi4 shi2 jiu4 xu1]

阴虚

yīn xū

deficiency of yin 陰|阴[yin1] (TCM)

阴虚火旺

yīn xū huǒ wàng

an excess of heat caused by a deficiency in Yin energy (idiom)

阳虚

yáng xū

deficiency of yang 陽|阳[yang2] (TCM)

不虚此行

bù xū cǐ xíng

(idiom) it's been a worthwhile trip

乘虚

chéng xū

to take advantage of weakness

乘虚而入

chéng xū ér rù

to enter by exploiting a weak spot (idiom); to take advantage of a lapse

交换虚电路

jiāo huàn xū diàn lù

Switched Virtual Circuit

以虚带实

yǐ xū dài shí

to let correct ideology guide practical work (idiom)

做贼心虚

zuò zéi xīn xū

to feel guilty as a thief (idiom); to have sth on one's conscience