nose is bleeding 流鼻血;
nose is running流鼻水;
pick your nose挖鼻孔;
a runny nose鼻涕;
follow your nose 凭直觉行事/跟着感觉走;
pay through the nose付出高昂代价;
lead by the nose 牵着鼻子走;
hold your nose 捏住鼻子;
nose around 到处打听