to fall behind with one's work：落后

matter of fact 實際情況,真相 | fall behind 落后 to fall behind with one's work | fall back on 求助于,轉而依靠 Even if he is not successful as a singer,he has his training as a teacher to fall back ...

fall behind in：落后在

fall back 后退 | fall behind in 落后在 | fall behind 落在于

fall behind in：在...方面落后

fall behind 落在...的后面, 拖欠. | fall behind in 在...方面落后. | fall below 降到...水平之下.

The stood behind / in back of his master：他站在他主人后面

3) There is a blackboard in the front of the classroom.教育前有一面黑板 | 4) The stood behind / in back of his master. 他站在他主人后面. | ★ behind (在,,,,之后) 表示時間国产丨精品国产亚洲区、地點

behind in the saddle：重上馬鞍(重整旗鼓)

ants in one's pants 褲襠里有螞蟻(坐立不安) | behind in the saddle重上馬鞍(重整旗鼓) | behind on track重上軌道(改過自新)

lie behind: be the explanation for sth：是某事的原因或理由

Of all the animals, the ape is thought of as the most forgiving animal. 在所有動物中... | lie behind: be the explanation for sth. 是某事的原因或理由 | What lay behind this strange outburst? 這莫名其妙的...

stay behind：敵后潛伏

station authentication 電臺鑒別 | stay behind 敵后潛伏 | stay behind force 敵后滯留部隊

stay behind：留下

Leave behind 留下,忘了帶 | Stay behind 留下 | Human being 人

stay behind force：敵后滯留部隊

stay behind 敵后潛伏 | stay behind force 敵后滯留部隊 | sterilizer 定期自動失效裝置;銷毀裝置

Stay behind me：跟著我

Okay.|好 | Stay behind me.|跟著我 | Stay behind me. You understand?|跟著我 明白嗎?