to give evidence in court against someone
誰かに対して裁判で証拠を提供すること (dareka ni taishite saiban de shōko o teikyō suru koto)
"The witness agreed to testify against the accused."
"証人は被告に対して証言することに同意しました。" (Shōnin wa hikoku ni taishite shōgen suru koto ni dōi shimashita.)
to spend less money than you earn
to lose control and start spinning around
to discuss an issue in a relaxed way without anger
to check or continue working on something previously started
to attack or criticize someone fiercely
to control or keep inflation at a manageable level