<entry> <ent_seq>1684970</ent_seq> <k_ele> <keb>苦心惨憺</keb> </k_ele> <k_ele> <keb>苦心惨澹</keb> </k_ele> <r_ele> <reb>くしんさんたん</reb> </r_ele> <trans> <trans_det>taking great pains</trans_det> </trans> </entry>