adverb
firmly bound; tied up tightly; restricted
Describes being bound or restricted so tightly that one cannot move freely. Often used figuratively for being constrained by rules, obligations, or circumstances.
彼は規則で雁字搦みに縛られている。
He is tightly bound by the rules.
借金で雁字搦みになって身動きが取れない。
I'm so tied up with debt that I can't move.