to be in the way; to be a hindrance; (usu. in the negative) to be of consequence; to matter

(idiom) to be in the way; to be a hindrance

to be an irksome presence (i.e. sth or sb one wishes were not there)

to shy to speak out; tongue-tied; to hesitate; too embarrassing for words

to be constrained by; due to (a constraining factor)

to hinder; to obstruct

barrier; obstruction; hindrance; impediment; obstacle

to obstruct; to hinder; to block; obstruction; hindrance

(usually used in the negative) major issue; serious problem; big deal

worry