tear down 拆掉
The city will tear down the building and create a park.
该市将拆掉这幢大楼，在这儿建个公园。
2. But helping workers by boosting productivity must not be confused with self-defeating attempts to protect them—as happened the last time they had the upper hand, in the 1970s.
self-defeating 适得其反
Paying children too much attention when they misbehave can be self-defeating.
孩子有不良行为时，小题大做可能适得其反
