英和和英

get to know

having knowledge of

informed guess

to be necessary

It is necessary.

to seek for knowledge

pretending to know

to guess

of something, to be needed

need an eye

aspire to knowledge

be aware of

to know something thoroughly

reliable―trustworthy

Need to confirm

It's necessary.

Understood

have need of

It is necessary to understand.

to feel a need

to feel a need―feel a want

a search for knowledge

know the ropes

know the ropes

a know-all

an informed guess

to know beforehand

It requires consideration

a thirst for knowledge

know what's what