都必须

all must

→ 都
phrase Rare #18,779
all must 都 emphasizes that everyone or everything in the relevant group is included; 必须 means “must.”
CH: 所有人都必须戴安全帽。
EN: Everyone must wear a safety helmet.

现在所有线都必须切断

All the lines must be cut now.

— 色‧戒 (2007)

光明或黑暗每个他者都必须作出选择

Light or darkness—every Other must make a choice.

— 守夜人 (2004)

所有文章都必须在规定时间内交上来。

All essays must be handed in by the deadline.

你和你的妻子都必须出庭

You and your wife must both appear in court.

— 四百击 (1959)

不管是学生还是老师,两个都必须不停地学习下去。

Whether you're a student or a teacher, you must keep learning.