not very intelligent
あまり賢くない (amari kashikokunai)
"He’s kind but not the sharpest tool in the shed."
"彼は優しいけれども、シェッドの中で一番鋭い工具ではない。" (Kare wa yasashī keredomo, **shed no naka de ichiban surudoi kōgu de wa nai**.)
a very close and trusted friend
to ask someone to marry you
to make a mistake; to fail at something important
to trust someone completely
Very quickly, almost instantaneously.
a sudden moment of insight or creativity in AI innovation