1. He used to flirt with every girl he met.
    过去他总是看到一个姑娘便跟她调情。

2.

2. He flirted with the idea of going abroad but decided against it.
    他本来有出国的念头，但后来决定不去了。

1.

1. 送秋波;眉来眼去：20 Flit around满场飞;花蝴蝶 | 21 Flirt with送秋波;眉来眼去 | 22 Flirt爱招摇的人;爱出风头的人

2. 调情：tilt -倾斜 | flirt with -调情 | tangible -实际的,有形的,确凿的

3. 吃豆腐：掉头就跑:turn tail and flee | 吃豆腐:make a pass; get fresh with; flirt with; pinch girls; take liberties; make advances with | 荡妇:abandoned and dissolute woman

4.

4. 与...调情：day care 日托 | flirt with... 与...调情 | screw me over 找我麻烦

1. take into consideration, have in view

    e.g. He entertained the notion of moving to South America

    Synonym: entertainthink oftoy withthink about