Mǔ / gǒu / fā / chūn / de / shí / hou / zhǔ / rén / huì / tè / bié / zhù / yì / guān / hǎo / yuàn / mén

母狗发春的时候，主人会特别注意关好院门。

When a female dog is in heat, its owner takes special care to keep the gate closed.