also: にかんしちゃ
regarding; concerning; about; with respect to
A formal or written expression used to introduce a topic. Often followed by a noun or noun phrase. In casual speech, について is more common.
この問題に関して、ご意見をお聞かせください。
Regarding this issue, please let us know your opinion.
環境問題に関しての会議が開かれた。
A meeting was held concerning environmental issues.
について is the everyday, neutral way to say 'about/regarding', while に関して sounds more formal and is common in written or business/academic contexts.
に関して is the more common, slightly less formal equivalent of に関し, both meaning 'concerning' or 'in relation to'.
に関して means 'concerning/regarding' a topic, while において can mark either a topic or a literal time/place setting.
に関して is a neutral way to say 'concerning' a topic, while にかけて specifically praises someone's skill or expertise in that area.
に対する marks the specific target of an attitude, action, or feeling, while に関して marks the general topic being discussed or referred to.
に関して is a formal, neutral way to say 'regarding', whereas を巡って adds a nuance of dispute or active discussion about the topic.
に関して is a slightly more formal way to say 'regarding/concerning', whereas に対して often implies a directed reaction or opposing comparison.
に関して introduces a topic ('regarding X'), whereas に対して marks a target or recipient of an action or reaction ('toward/in response to X').
対して marks a target or contrast ('toward/in response to'), whereas に関して simply marks a neutral topic ('concerning/about').
Standard written form; the most common spelling in formal and neutral contexts.
Search-only kanji form; a colloquial contraction of に関しては, rarely used in writing.
Compound of the particle に, the verb 関する (to relate to), and the conjunctive particle て. Literally 'relating to'.