直球
1
straight ball (pitch)
See also:
変化球 (へんかきゅう)
2
direct (e.g. question);blunt
奥歯に物の挟まった言い方をせず、ズバリ直球で言ってあげる事をお勧めします。
I recommend giving it to them straight, don't waffle your way around the subject.