English Expression · Intermediate
sun kink
A buckle in railroad track caused by extremely hot weather, which could cause a train to derail
Pronunciation: say sun kink
Meaning
A buckle in railroad track caused by extremely hot weather, which could cause a train to derail.
Example
The train was delayed because the extreme heat caused a sun kink in the tracks.
The train was delayed because the extreme heat caused a sun kink in the tracks.
Practice tips
- Practice sun kink out loud — read the pronunciation guide above and repeat.
- Use it in your own sentence today; reuse beats rereading.
- Pay attention to context: this English expression is for intermediate-level learners.