latch on

US /lætʃ ɑːn/
UK /lætʃ ɑːn/
"latch on" picture
1.

理解, 领会

to understand something completely

:
•
It took him a while to latch on to the new concept.
他花了一段时间才理解这个新概念。
•
The students quickly latched on to the teacher's instructions.
学生们很快就领会了老师的指示。
:
graspcomprehendunderstandfathomapprehend
2.

抓住, 附着

to become attached to or fix oneself firmly to something

:
•
The baby latched on to her mother's finger.
婴儿抓住了妈妈的手指。
•
The dog latched on to the bone and wouldn't let go.
狗咬住骨头不放。
:
clingadherestickfastengrip