[yù xiān]
in advance; beforehand
									
										be beforehand with one's packing
										预先打好行李
									
									
									
										thank sb. in anticipation
										预先感谢
									
									
									
										forewarn
										预先警告
									
									
									
										state explicitly beforehand
										预先声明
									
									
									
										notify in advance
										预先通知
									
									
									
										She is always beforehand with the rent.
										她总是预先付房租。
									
									
									
										Everything has been fixed in advance.
										一切都已预先安排妥当。