border on
US /ˈbɔːrdər ɑːn/
UK /ˈbɔːrdər ɒn/
句動詞
〜に近い, 〜に接する
to be very close to or similar to something, often something undesirable
例:
•
His behavior began to border on rudeness.
彼の行動は失礼に近いものになり始めた。
•
The situation was so absurd it began to border on comedy.
その状況はあまりにもばかげていて、コメディに近いものになり始めた。