something that makes you think seriously
真剣に考えさせるもの (shinken ni kangae saseru mono)
"His comment gave me food for thought."
"彼のコメントは私に考えさせられた。" (kare no komento wa watashi ni kangae saserareta)
to fail to do what one promised
to deviate from a prepared plan or speech
to deal with something briefly without detail
to become part of a group or team
no matter what happens; in any weather or situation
an unrealistic or impossible hope