重點講解：
1. take effect 生效；奏效；
The agreement takes effect right after it is signed.
協議一經簽字立即生效。
2. kick off (事件、比賽或討論等)開始；
I'm getting ready to kick off a new semester at school next week.
我已經做好下周開學的準備了。
3. firm up （使）更堅固；（使）更堅實；（使）更明確；
The discovery of Northwest Africa 2364 is also helping to firm up scientists' understanding of how our local neighbourhood formed.
“非洲西北2364”的發現也幫助科學家堅定了對我們周圍其他星系形成原理的理解。
4. be capable of 有…能力的；能夠…的；
This football team has always been capable of gaining an advantage over its opponents by skillfull manoeuvring.
這個足球隊總是能依靠機智的策略占對手的上風。