"he heard the tapping of the man's cane"
我感到有人拍了一下我的肩膀，于是转过身去。
There was a soft tapping on my door.有人在轻轻地敲我的门。
They made success by tapping into recent developments in technology.他们靠最近开发的技术取得了成功.
This music sets your feet tapping.这音乐能使你的双脚不由自主地跟着打拍子.
The girls were tapping the rubber.姑娘们正在割橡胶.
The music is used to forward the plot, not simply to keep the toes tapping.音乐用来推进情节发展，而不仅仅是保持节奏感。
There was a comfortable-looking clerk on duty, tapping away on a manual typewriter.有个神态安适的办事员在当班，在手动打字机上啪嗒啪嗒地打着字。
Dermot joined her, his eyes on the dance floor, his fingers tapping out a rhythm on the table.德莫特加入了她的行列，眼睛盯着舞池，手指在桌子上敲着节拍。
I woke up in the middle of the night and could hear a tapping on the window.我半夜里醒来，听见有敲窗户的声音。
He was tapping his walking stick against his leg.他用手杖轻敲着腿。
At red lights, I'd notice his foot tapping in time.遇见红灯, 就见他的脚及时地轻轻打起拍子.
Suddenly I felt someone tapping me on the shoulder.突然,我感到有人轻轻地拍我的肩膀.
Someone is tapping on the door.有人正在敲门.
They worked on the farm, tapping rubber trees.他们在这农场做割胶的工作.
Listen! Someone is tapping on the window.听! 有人在敲窗户.
