<table class="table">
    <tbody>
        <tr class="table__row">
            <td class="column__column">lorem</td>
            <td class="column__column">lorem</td>
            <td class="column__column">lorem</td>
            <td class="column__column">lorem</td>
        </tr>
        <tr class="table__row">
            <td class="column__column">lorem</td>
            <td class="column__column">lorem</td>
            <td class="column__column">lorem</td>
            <td class="column__column">lorem</td>
        </tr>
        <tr class="table__row">
            <td class="column__column">lorem</td>
            <td class="column__column">lorem</td>
            <td class="column__column">lorem</td>
            <td class="column__column">lorem</td>
        </tr>
        <tr class="table__row">
            <td class="bd-hide" colspan="3"></td>
            <td class="column__column">lorem</td>
        </tr>
    </tbody>
</table>

.table {
   border-collapse: collapse;
}
.table__row, .column__column {
    border: 1px solid #000;
}
.table__row:last-child {
  border: none;
}
.table__row:nth-child(2) .column__column {
  border: none;
}