unexpectedly or without warning
予告なしに、または予想外に (yokō nashi ni, mata wa yosōgai ni)
"My old friend called me out of the blue after ten years."
"10年後、古い友人から突然電話がかかってきた。" (10 nen go, furui yūjin kara **totsuzen** denwa ga kakatte kita.)
to give focused attention to something specific
to divide and distribute something
a group of experts developing new ideas or policies
to be liked or approved by someone
feeling unhappy or irritable
used humorously to let an older person go first