Given a sentence in Tagalog language, translate the sentence to English language keeping the meaning of the original sentence intact.

Tagalog sentence: Ang sitwasyon ay mas masahol sa pamamagitan ng Doppler's complaining mag-aaral na siya ay masyadong magaspang sa kanyang pagsusuri.
The situation was made worse by Doppler's students complaining that he was too harsh in his examining.

Tagalog sentence: 25 Si Mathanias, at si Bucbucias, si Obadias, si Mesullam, si Talmon, si Accub, ay mga tagatanod-pinto, na nangagbabantay sa mga kamalig ng mga pintuang-bayan.
25 Mattaniah, and Bakbukiah, Obadiah, Meshullam, Talmon, Akkub, were porters keeping the ward at the thresholds of the gates.

Tagalog sentence: Halos lahat ng Van Vleck ng research papers ay sa larangan ng function teorya at kaugalian equation.

Almost all Van Vleck's research papers were in the fields of function theory and differential equations .