a will o' the wisp

short for 鬼火焚 (Onibitaki), a fire matsuri (Japanese festival) held around Kyūshū on 7 (in some places, 14) January

(lost seeing ability): blind / (micro): micro / (out of sight): invisible, hidden / (speed): high-speed, rapid / (sense): noise, smell, temperature, energy, health, mentality / (transparent): transparent

(humble) to meet with someone, to have an audience with someone / to make an appearance, to be present / (possibly archaic) to serve someone, such as a master or husband

(dated) to be seen; to be found / (having seeing ability): able to see (ja: 目が見える、目の見える) / (within sight): visible (ja: 目に見える) / (easily predictable): apparent (ja: 目に見える)

Visualization. / Visual control: a business management technique whereby information is communicated using visual signals in order to facilitate quick understanding or increase efficiency and clarity.

"the grass is always greener on the other side": The others' circumstances seem more desirable.