tighten 
: （使）变紧 使更加严格 加强 
tendre ☊ 
to tighten; to extend, stretch; tender like: tighten → →
(1) to stretch, strain, tighten (2) camp ☊
căng ☊ to tighten up, pull back, make more conservative ☊ rút vào thế thủ ☊ to tighten standards ☊ siết chặt tiêu chuẩn ☊ to save, tighten one’s belt ☊ thắt lưng buộc bụng ☊ to increase, tighten security ☊ tăng cường an ninh ☊ to practice economy or thrift, tighten one’s belt ☊ ăn dè ☊ to do up/fasten/tighten a belt ☊ belt ☊
His hold on her arm tightened. ☊ hold ☊
He felt every muscle in his body tighten. ☊ muscle ☊
Now tighten all the screws. ☊ screw ☊
tendre ☊ il faut parler, tendre la main, dialoguer ☊
serrer ☊ elle serre les mains ☊
resserrer ☊ nous devrions nous voir plus souvent, resserrer nos relations ☊