"one's second words": saying reflexively

even if one says

to be astonished, surprised, amazed, startled

to get a big surprise; to be astonished

lo and behold

蓋: lid; cap; cover / 双: pair, set of two

負担: A burden, charge, responsibility; to bear a burden, charge, responsibility. / 布毯, 布単: A special cloth laid down to cover the path traveled by the procession during a shrine dedication or transfer.

splitting from one into two / (especially) taking the entry tests for two schools / (especially) dating two people at once

width of the fold of eyelids with a fold (二重瞼)

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend