魚貫而入

to walk in in a line

and / as well as / and so / but (not) / yet (not) / (indicates causal relation) / (indicates change of state) / (indicates contrast)

to enter / to go into / to join / to become a member of / to confirm or agree with / abbr. for 入聲|入声[ru4 sheng1]

surname Yu

fish / CL:條|条[tiao2],尾[wei3]

one after the other / in single file

to pierce through / to pass through / to be stringed together / string of 1000 cash