1. over the limit 超過極限
Unfortunately, all the political theatre over the limit often has a cost.
不幸的是，所有超出限度的政治鬧劇都得付出代價PnS4q+lS573XM^mkMyY。

2. power failures 停電
He said the bags were for use in emergencies such as power failures.
他稱這些袋子是在停電等緊急情況下使用的e,AEfJ*beDA[f9uAj。

3. heighten the risk of 提高……的風險/可能性
In another study, researchers found mutations on chromosomes 2 and 16 that seem to heighten the risk of cancer.
另一項研究中，研究人員們發(fā)現(xiàn)，疑似能夠提高癌癥風險的2號染色體和16號染色體出現(xiàn)了突變;q~__NYj#c+&.B。

4. appear to 似乎
These thousand carp ponds appear to have secret attraction to me.
這千鯉池似乎對我有一種神秘的吸引力fxih*4[e+hg|b]8Ae。