tā / zài / liǎng / gè / fāng / àn / zhī / jiān / dōng / yáo / xī / bǎi / chí / chí / wú / fǎ / jué / dìng

他在两个方案之间东摇西摆，迟迟无法决定。

He keeps wavering between the two plans and cannot make a decision.