Correct

了然

/ liǎorán / 
Strokes

Definition

to understand clearly/evident

Example

As an Adjective

clear (about)

1
Shìqing
事情
de
的
shǐmò
始末
wǒ
我
yě
也
bù
不
shén
甚
liǎorán
了然
  
。

I'm not very clear about the whole matter.

2
Liǎorán
了然
yúxīn
于心

be clear (about); know clearly