执行一个动作（背后和对面）

to lag behind

动词

/lˈæɡ bɪhˈaɪnd/

(滞后于)

落后于

to develop or progress more slowly than someone or something else

to leave behind

动词

/lˈiːv bɪhˈaɪnd/

(遗留)

留下

to leave without taking someone or something with one

to lie behind

动词

/lˈaɪ bɪhˈaɪnd/

(隐含于)

潜藏在背后

to be the true cause of something, often not immediately apparent

to stay behind

动词

/stˈeɪ bɪhˈaɪnd/

(留下来)

留在后面

to remain in a location while others depart

to come across

动词

/kˈʌm əkɹˈɑːs/

(碰巧遇到)

偶然发现

to discover, meet, or find someone or something by accident

to get across

动词

/ɡɛt əkɹˈɑːs/

(让人明白)

传达

to be clearly understood or communicated

to keep across

动词

/kˈiːp əkɹˈɑːs/

(跟进)

保持了解

to remain well-informed about a particular topic, subject, or situation

to put across

动词

/pˌʊt əkɹˈɑːs/

(传达)

表达

to present information clearly and effectively to others

to run across

动词

/ɹˈʌn əkɹˈɑːs/

(意外碰见)

偶然遇到

to meet someone unexpectedly