constrain   (Sound)

The constrain has 2 Senses.

• encumber, constrain, cumber, restrain
• 押さえる, 押える, 制馭, 制禦, 抑える, 制御
• hold back
• 隠す

• tighten up, constrain, tighten, stiffen
• restrict; "Tighten the rules"; "stiffen the regulations"
• 制限する