You use tactical to describe an action or plan which is intended to help someone achieve what they want in a particular situation.
It's not yet clear whether his resignation offer is a serious one, or whether it's simply a tactical move.
他的辞职请求到底是认真的,还是只是个策略,这一点我们尚不清楚。
Tactical weapons or forces are those which a military leader can decide for themselves to use in a battle, rather than waiting for a decision by a political leader.
They have removed all tactical nuclear missiles that could strike Europe.
他们已经拆除了所有可能袭击欧洲的战术性核导弹。