41.   A veterans group has even recommended his promotion to general for undercover work for the West.

42.   A veterans group has even recommended his promotion to general for his maverick undercover work for the West.

43.   Locals believe undercover work will be difficult in the villages of the west bank, where everyone knows everyone else.

44.   The arrests, which began Friday, come after eight months of undercover work.

45.   The officer, who conducts undercover work and therefore was not identified, was investigated by the FBI during the probe that eventually led to Russian spy Robert Hanssen.

46.   Undercover work also has its dangers.

47.   With undercover work virtually impossible inside the Mafia, police rely heavily on turncoats for information on how the crime syndicate works.

48.   Palestinian sources said the soldiers had opened fire first and were on undercover work disguised as Palestinians.

a. + work >>共 1214
hard 12.26%
new 3.27%
good 2.15%
best 1.26%
volunteer 1.16%
extra 1.08%
part-time 1.06%
legal 1.00%
real 0.88%
detective 0.88%
undercover 0.29%
undercover + n. >>共 173
agent 24.31%
officer 13.44%
operation 7.02%
police 4.93%
investigation 3.65%
work 3.24%
troop 2.90%
detective 2.77%
cop 2.63%
unit 2.23%
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