Trekking
v. 艰苦跋涉, 徒步旅行( trek的现在分词 ); （尤指在山中）远足, 徒步旅行, 游山玩水
🗣️ 情景例句
Don't mince words.
别吞吞吐吐的。
I would like to cancel the reserved seat.
我要取消已预定的位置。
If we remain inveterate smokers, it is only because we have so often experienced the frustration that results from failure.
如果我们烟瘾大，戒不掉，那是因为屡戒屡败，失去信心。