How far is your project running behind schedule?
你的项目比预定的时间落后多少？
The date of delivery hasn't been fixed yet.
交货时间还没有最后落实。
inclined to waste time and lag behind.
意欲浪费时间并落在后面的。
Because of his long illness, he is backward in his studies.
因为长时间生病，他功课落后了。
It takes a lot of time to catch up with a cultural lag .
文化的落后需要长时间才能赶上。
"I am so far behind, it will take me a while to catch up."
"我落后甚远,我得花上一些时间才能赶上。"
It takes a lot of time to catch up with a culturallag.
文化落后需要花很长的时间才能赶上先进。
Probing into When and Why China Fall Behind Western Countries in Firearm
中国火器落后于西方的时间节点及原因初探
We backed off a little in the middle section as we were very heavy on fuel and we wanted to conserve this and go as long as possible.
我们多载了些燃油，想尽量多坚持些时间，因此中间阶段落后了几名。
On this Friday, October 9th, he noted his arrival at Suez, and observed that he had as yet neither gained nor lost.
0月9日，星期三，如期到达了苏伊士，在时间上既没提前，也没落后。
My plane would touch down just long enough to let me off.
我坐的飞机降落后只停留很短的时间，让我在那里走下飞机。
Live in a style that suits your physical and spiritual requirements,and do not waste time keeping up with the Joneses.
以适合你生理和心理的方式生活，别浪费时间以免落于他人之后。
"For a long time Japan was the best in Weiqi game, and China lagged behind."
很长一段时间，日本是围棋最强国，而中国却落后了。
The countries of the Third World should make good use of this time to develop their economies, gradually shaking off poverty and backwardness.
第三世界国家应当利用这段时间发展经济，逐渐摆脱贫困落后状况。
Effects of etching or no etching on the failure rates of second bonded metallic brackets
酸蚀与未酸蚀对不同时间金属托槽再次粘接后脱落率的影响
extension of time [deed of assignment]
延展落成时间〔转让契据〕
They fell behind the times.
他们落在时代的后面。
the time of day immediately following sunset.
日刚落之后那段时刻。