need to 需要
need do，need是做情態動詞 ，后跟動詞原形；need to do 需要做某事 ，主語往往是人
We need to collect the parcel before we leave for England．
去英國之前，我們需要收拾好行李。
We need to tell him the truth．
我們需要告訴他真相。

It's dull.這無聊的。
It's a dull job, I prefer one with more challenge.
這工作很乏味，我較喜歡富挑戰性的。
It's too dull to stay at home all day long. Let's go out for a walk in the square.
整天呆在家里太悶了。咱們出去到廣場上走走吧。

tension 緊張，不安; 緊張氣氛; [物]張力，拉力; 矛盾
This helps retain dramatic tension.
這樣有助于保持戲劇張力。
But that idea fuels tension between palestinians.
但這一建議反而激起了巴勒斯坦內部的緊張局勢。