to make an effort to improve your performance
パフォーマンスを向上させるために努力する (pafōmansu o kōjō saseru tame ni doryoku suru)
"You need to pull your socks up if you want that promotion."
"その昇進が欲しいなら、もっと頑張らないといけません。" (sono shōshin ga hoshī nara, motto ganbaranai to ikemasen.)
to delay making a decision until the next day
a controversial issue that no one wants to handle
to waste money on something useless
to focus attention closely on something specific
to do something innovative or unprecedented
to increase your effort or speed