I would like to help you butmy hands are tied. The underlined phrase means-

বাংলায় আমরা অনেক সময় উপায়হীনতা বুঝাতে বলে থাকি-আমার হাত-পা বাঁধা।
Merriam-webster.com অনুযায়ী, hands are tied- used to say that someone is unable to act freely because something (such as a rule or law)
Example: The judge says her hands are tied because the law requires a harsh sentence in such cases.
Source: Merriam-webster.com