Do you want to go back to Shanghai first
先───before;回───return
We should prevent others cashing in before we've time to market the product.───我们应该防止别人在我们没有来得及在市场上销售这产品之前大捞一笔.
Turn the bottle upside down to empty it before you fill it with oil.───把瓶子先控一控再装油.
If you speed up your work, we can finish before it is dark.───要是你加紧, 我们可以在天黑前结束工作.
Never before have I heard this song sung in chorus.───我从来没有听过这首歌的合唱.
Look before you leap.───三思而后行.
The stew must be boiled up before serving.───炖肉必须煮熟才能上桌.
He kicked around a good deal before settling down.───他在定居前一直在东奔西走.
Importers flooded the market with cheap toys just before Christmas.───进口商们在圣诞节前大量拋售廉价玩具.