友谊: companionship, fellowship, friendship...
保卫: to defend, to safeguard...
跟踪: to follow sb's tracks, to tail, to shadow, tracking...
轻微: slight, light, trivial, to a small extent...
涉嫌: to be a suspect (in a crime), to be suspected of...
从事: to go for, to engage in, to undertake, to deal with, to handle, to do...
走过: to walk past, to pass by...
外行: layman, amateur...
名称: name (of a thing), name (of an organization)...
动摇: to sway, to waver, to rock, to rattle, to destabilize, to pose a challenge to...