このネクタイはこのような場にふさわしくありません。

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

tie; necktie

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

(usu. at sentence-end) seeming to be; appearing to be; like; similar to; in order to (e.g. meet goal); so that; indicates hope, wish, request or mild command

place; spot; space; field; discipline; sphere; realm; occasion; situation; scene (of a play, movie, etc.); session (of the stock market); area in which cards are laid out (in a card game); round (i.e. east, south, etc.); field; field (gestalt psychology)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

appropriate; adequate; suitable; fitting; worthy

to be (usu. of inanimate objects); to exist; to live; to have; to be located; to be equipped with; to happen; to come about