加密

jiā mì to encrypt; encryption; to protect with a password

互

hù mutual

推

tuī to push; to cut; to refuse; to reject; to decline; to shirk (responsibility); to put off; to delay; to push forward; to nominate; to elect; massage

找

zhǎo to try to find; to look for; to call on sb; to find; to seek; to return; to give change

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