jiē zhǒng ér lái
to come one after the other
mó jiān jiē zhǒng
lit. rubbing shoulders and following in each other's footsteps
a thronging crowd
xuán zhǒng
to turn on one's heel
in the twinkle of an eye
instantly
mó dǐng fàng zhǒng
to rub one's head and heels (idiom); to slave for the benefit of others
to wear oneself out for the general good
huò bù xuán zhǒng
trouble is never far away (idiom)
yán jǐng qǐ zhǒng
to stand on tiptoe and crane one's neck (idiom); fig. to yearn for sth