to disrupt or complicate something
何かを混乱させる、または複雑にする (nanika o konran saseru, mata wa fukuzatsu ni suru)
"The sudden resignation of the minister threw a wrench into the works of the peace negotiations."
"大臣の突然の辞任は平和交渉にthrow a wrench into the worksしました。" (Daijin no totsuzen no jinin wa heiwa kōshō ni throw a wrench into the works shimashita.)
to memorize something perfectly
to be declared completely healthy by a doctor
to make an effort to improve your performance
to laugh very loudly or uncontrollably
in a position of leadership or control
to become less intense or to relax
