if they don't give them a t----,they can play a trick o--- them

if they don't give them a t----,they can play a trick o--- them
if they don't give them a t----,they can play a trick o--- them

if they don't give them a t----,they can play a trick o--- them
treat -----on
这个是treat or trick

1）tip 消费
2) on 在（他们的身上）