be up to trap

基本解释

It is easy to fall into the trap of thinking that all time have to be booked up for some activity.
我們很容易陷入一個誤區：認爲所有的時間都應該安排一些活動。
This will likewise be true of the coastline from what is now Japan up to Kamchatka, where a trap will exist.
對於現在日本到堪察加半島的海岸線，情況也是如此，那裡將會存在一個“陷阱”。
A spider has to pick up a living somehow or other, and I happen to be a trapper. I just naturally build a web and trap flies and other insects.
我們縂要選擇一種這樣或那樣的方式生存下去，而我正好選擇了這種，我衹是自然而然的編織了一張網，用它來網住那些蒼蠅和其他的一些小崑蟲。
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