This was the man whom other trainers love to carp about.这就是老被其他教练挑毛病的那个人。He is very temperamental and critical.他好使性子，还爱挑毛病。It's easy enough to pick holes in other people's suggestions.在别人的建议中挑毛病是十分容易的。She niggled over every detail of the bill.她对账单处处挑毛病。