it's not difficult to understand
这不难理解 (zhe bu nan lijie)
"You can learn to cook, it's not rocket science."
"你可以学会做饭，这不难理解。" (ni keyi xuehui zuofan, **zhe bu nan lijie**.)
a sudden moment of discovery or realization
to be extremely happy
showing a lot of affection publicly
A person with two very different sides to their personality.
used to introduce an opinion that may or may not be useful
to get connected to the internet
