to be daydreaming or not paying attention to reality
夢の中にいるか現実を無視すること (yume no naka ni iru ka genjitsu wo mushi suru koto)
"He was having his head in the clouds during the lecture."
"彼は講義中に頭が雲の中にあった。" (Kare wa kougichuu ni atama ga kumo no naka ni atta)
to give something your full attention
thinking or acting in an unusual or unconventional way
to have control or an advantage over someone
to go from a bad situation to a worse one
a time of calmness and tranquility
to respond to information with action
