在於
zàiyú
ㄗㄞˋ ㄩˊ
Simplified 在于
- 1to rest with; to lie in; to be due to (a certain attribute)
- 2(of a matter) to be determined by; to be up to (sb)
Example
語言的學習在於日積月累。
yǔyán de xuéxí zàiyú rìjīyuèlěi
Putting in effort daily is essential to language learning.