  Inspired by the newly observed $\Omega_b$ states by the LHCb Collaboration,
we investigate the two-body strong decays of the low-lying $\lambda$-mode
$\Omega_b$ baryons up to $N=2$ shell using the chiral quark model within the
$j$-$j$ coupling scheme. Our results indicate that: (i) the newly observed
states $\Omega_b(6316)^-$ and $\Omega_b(6330)^-$ are good candidates of the
light spin $j=1$ states, while the spin-parity $J^P=1/2^-$ and $J^P=3/2^-$
cannot be distinguished. The other two states, $\Omega_b(6340)$ and
$\Omega_b(6350)$ mostly correspond to the light spin $j=2$ states, while the
spin-parity $J^P=3/2^-$ and $J^P=5/2^-$ cannot be distinguished as well.(ii)
The $2S$ states with spin-parity $J^P=1/2^+$ and $J^P=3/2^+$, respectively,
might be narrow states with a width of $\Gamma<2$ MeV. (iii) The $1D$ states
are not broad and the total decay widths vary from several to dozens of MeV,
which have a good potential to be observed in future experiments.
