여소야대가 · 여소야대를
divided government (a ruling party in the minority, opposition in the majority)
Example
여소야대 국회에서는 법안 통과가 쉽지 않아요.
With the opposition controlling the National Assembly, passing bills isn't easy.
Word parts
여 ruling side+소 small+야 opposition+대 big
Literally 'ruling side small, opposition big'.
Good to know
여 = 여당 and 야 = 야당; news uses this pair constantly, as in 여야 (both parties).
Related words