Xiàngmù yǐjīng zuò le dàbàn, jiù chà línmén-yìjiǎo le.
The project is mostly done - all that's missing is the final push.
Tips
culture
Originally a football (soccer) commentary phrase - literally 'the kick right at the goal' (临门 = facing the gate, 一脚 = one kick). Now extended to any final, decisive effort to close the deal - common in business and project contexts.