いっしんいったい

Japanese

For pronunciation and definitions of いっしんいったい – see the following entry.

【一進一退】 [noun] now advancing and now retreating; ebb and flow; seesawing; taking alternately favorable and unfavorable turns [verb] Same as above.

(This term, いっしんいったい (isshin'ittai), is the hiragana spelling of the above term.)