put a letter in [into] the fire
手紙を火にくべる
put a lid on ...
…のふたを閉める
put [set] a light to the fire
火をつける
put [set] a limit on ...
…に制限を設ける
put a limit to [on] one's outlay
支出に制限を加える
put a list up on the board
一覧を掲示板にはりだす
put a lot of effort into ...
…に大いに力を入れる
put a lot of energy [time] into the new project
その新計画にすごい精力［時間］を注ぐ
put a lot of strain on the heart
心臓にたいへんな負担をかける
put a match to ...
…にマッチで火をつける
