deliberately

It looks as if the blaze was started deliberately.

看来那场火是有人故意放的。

I have also witnessed a player reacting to his opponent's international and illegal blocking by deliberately hitting him with the ball as hard as he could during the course of play.

我还曾经亲眼目睹，一名球员在比赛过程中为了应对对手的全面违规封堵，故意用球狠狠打他。

Ecologists generally define an alien species as one that people, accidentally or deliberately, carried to its new location.

生态学家通常把外来物种定义为人们偶然或故意带到新地方的物种。

The Japanese have acted calmly and deliberately.

那些日本人表现得镇定且从容。