to not make as much progress as others in something
他の人と比べて何かで進捗が遅れる (ta no hito to kurabete nanika de shin-choku ga okureru)
"If you skip classes, you might fall behind in your studies."
"クラスをサボると、あなたは勉強で遅れを取るかもしれません。" (kurasu o saboru to, anata wa benkyō de **okure o toru** kamoshiremasen.)
to soften your language or behavior for a situation
to become addicted or very interested in something
to wait for a short time; similar to hold on
to ask people for their opinions on something
to join a team or project
to face or open onto a place