to do what you promise to do
約束を守る (yakusoku o mamoru)
"You can trust him; he always keeps his word."
"彼を信頼してもいいよ。彼はいつも約束を守る。" (kare o shinrai shitemo ii yo. kare wa itsumo **yakusoku o mamoru**.)
To try something despite uncertainty.
to open your books and begin studying
If you love someone, you must accept their flaws too.
to stand out in a crowded or competitive market
time passes very quickly
to distribute something