He should wash his fingers under the water pipe
手指───finger;水管───Water pipe
This cloth is so thin that you can pick a hole in it with your finger.───这块布料这么薄,用手指就能扎出个洞来.
He wagged a disapproving finger.───他摇晃着手指表示不同意。
Do you think we can clean away all these finger marks?───你看我们能够把这些指痕全部去掉 吗 ?
I haven't been able to lay my finger on the book you requested.───我不能找到你要的那本书.
To top it all off one of the catering staff managed to slice their finger cutting cheese.───这一切还嫌不够，一个承办酒席的服务人员竟然在切奶酪时割伤了手指。
She jabbed at the papers with her finger.───她用手指戳了戳文件.
He poked his finger into the hole.───他把手指戳进洞里。
The paper is stuck to my finger.───纸粘到我的手指上了.
He kept his finger on the trigger.
Ben had got his finger jammed in the door.
Hold the material between finger and thumb.
She jabbed him in the ribs with her finger.
He jabbed at the picture with his finger.