otherwise

1. 別搖晃瓶子，要不沉淀就都攪起來了。
   Don't shake the bottle or you will disturb the lees.
2. 我們得跑著去，要不就太晚了。
   We must run, otherwise we'll be too late.
3. 把瓶蓋兒蓋好，要不汁液就灑出來了。
   Put the cap back on the bottle, otherwise the juice will spill.
4. 你可得安靜點兒了，要不然我沒法計算了。
   Do keep quiet or you'll throw me out in my calculations.
5. 快一點，要不然就趕不上第一班火車了。
   Make haste, or you'll miss the first train.
6. 要不要，隨便你。
   Take it or leave it.
7. 要不要由你。
   Take it or leave it.
8. 你最好把我的書給我，否則我的測驗將要不及格了。
   You'd better give me my book, otherwise I'll fail my test.

不的英語翻譯：