to be very close and spend a lot of time together
非常亲密并一起度过很多时间
"Since childhood, they’ve been joined at the hip."
"从小，他们一直形影不离。"
A true friend is the most valuable gift one can have
very happy and energetic
to not trust someone much
an idea or invention created by someone
a discovery that changes understanding in a field
to persuade someone to do something
