To Be Cut
To Snap, To Expire, To Run Out
intransitive verb, ichidan verb
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb.
This is an intransitive verb. That means it does not take a direct object. The kanji means cut so this generally means that something is cut. Something breaks or snaps. No direct object here. That's why this verb means to be cut or to snap. Another meaning of this verb is to expire or to run out. This could be various things like your passport, or a deadline for an assignment.
きれる
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. Here's a refresher to help you remember the き portion of this word:
Something is snapping. Turns out that something is your arm. Your arm is a 木 (き) that grew out of you one day. "What's this ki doing here?" you ask. Then it suddenly breaks in half! "OW OW OW! My ki! It's been cut!!"
テープが切れてしまいました。
The tape was cut.
でんわが切れるおとをきくとさみしくなる。
I feel lonely when I hear the sound of the phone being cut off.
糸が切れてしまいました。
The thread snapped.