適得其反
shìdéqífǎn
ㄕˋ ㄉㄜˊ ㄑㄧˊ ㄈㄢˇ
Simplified 适得其反
- 1to produce the opposite of the desired result
Example
...不然難免會有適得其反的情況出現。
bùrán nánmiǎn huì yǒu shìdéqífǎn de qíngkuàng chūxiàn
... Otherwise it is (or will be) hard to avoid a counterproductive situation.