to affect; to have an effect on (often used for a negative effect or a disturbance)

effect; impact

(literary) unfounded; groundless; having no foundation in fact

trace; news; sign of someone's whereabouts (usually used with negative verbs like 毫无 háo​wú or 没了 méi​le)

(literary) illusion; shadowy appearance; a faint or hazy memory or impression