not very intelligent; not a genius
あまり賢くない; 天才ではない (amari kashikokunai; tensai dewa nai)
"He’s no rocket scientist, but he works hard."
"彼は天才ではないが、一生懸命働いている。" (Kare wa **tensai** dewa nai ga, isshoukenmei hataraiteiru.)
to trust your instincts when making a decision
to transfer or store one’s thoughts, knowledge, or conscious...
a sudden and significant progress
To skip a class without permission
to start working seriously
to have a really good time