trim bv head

例句：

1. 1. She decided to trim her hair for the upcoming party.
   她决定为即将到来的派对修剪头发。
2. 2. He spent hours grooming his beard before the event.
   他在活动前花了好几个小时整理胡须。
3. 3.The barber trimmed his client's hair to perfection.
   理发师把他的客户的头发修剪得完美无瑕。