This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. The しゃく gets shortened to しゃっ though, so beware. Just think of that like the little bit that you lost to the yakuza, because they weren't happy you didn't pay back your debt. *cut*
I wanted to have new experiences, so I got myself in debt.
Koichi owes Viet 50,000,000 yen.
Excuse me, excuse me. I’m trying to get through here. I’m running away from a debt collector.