to cling to; to hang onto; to rely on; to depend on; to implore; to entreat
to cling to; to depend on; to embrace; to hug
to be hot on a person's heels
to grasp at straws; to resort to desperate measures
hoping against hope; desperately hoping; as a last hope
to cling tearfully to (someone)
don't be a burden to others; (lit.) lean on your cane, but don't lean on others